Use advanced zoom tools
Use the advanced zoom tools to magnify or reduce the view of a PDF document.
Do any of the following:
ΓÇóSelect the Dynamic Zoom tool from the Zoom tool pop-up menu, and drag up to zoom in on the area where you began dragging, or drag down to zoom out from that location.
ΓÇóSelect the Pan and Zoom Window tool . Drag the handles of the box within the Pan & Zoom window to change the documentΓÇÖs magnification. Drag the center of the box to pan across the area you want to see.
ΓÇóSelect the Loupe tool , click the area of the document that you want to view in closer detail, and then drag the slider in the Loupe Tool window to determine the magnification level.

More Task Topics
Adjusting the view of documents in complete Help